Recently, My Sister Is Unusual (2014)

Cast: Tenka Hashimoto, Yūkichi Kobayashi, Mayu Mitsui, Mika Yano, Kazue Akita, Reiko Hayama, Tsunaki Fukushima, Ini Kusano, Kenji Iwaya, Aiko Masuda

Mitsuki and Yuya become stepsister and stepbrother because of their parents' marriage. Mitsuki can't get along with her new family and Yuya doesn't know how to approach his new stepsister. One day, Mi…